quaternary
英 [kwə\'tɜ:nərɪ]美 [kwə\'tənerɪ]
quaternary意思解释
n.四，四个一组；adj.第四组中的组成部分，四进制的； 变形 复数：quaternaries 英英释义 quatern
quaternary读音音标
英 [kwə\'tɜ:nərɪ]
美 [kwə\'tənerɪ]
quaternary意思解释
n.
四，四个一组；
adj.
第四组中的组成部分，四进制的；
变形
复数：quaternaries
英英释义
quaternary[ kwə\'tə:nəri ]
n.
last 2 million years
同义词：Quaternary periodAge of Man
the cardinal number that is the sum of three and one
同义词：four4IVtetradquaternquaternionquaternityquartetquadrupletfoursomeLittle Joe
adj.
consisting of or especially arranged in sets of four
\"a quaternary compound\"
同义词：quaternate
coming next after the third and just before the fifth in position or time or degree or magnitude
\"the quaternary period of geologic time extends from the end of the tertiary period to the present\"
同义词：fourtstrongth
词组短语
quaternary ammonium
[石油]季铵；[生物]四级铵quaternary ammonium salt
季铵盐quaternary period
第四纪quaternary system
四进制，四元系统quaternary geology
第四纪地质学quaternary structure
四级结构quaternary ammonium compound
季铵化合物双语例句
用作形容词(adj.)The Quaternary sediments are largely undeformed.第四纪的沉积物大部分未变形。Industries based on brainwork or knowledge are called the quaternary industry.以脑力劳动或知识为基础的产业被称为第四产业。
